213320330213 has 2 divisors, whose sum is σ = 213320330214. Its totient is φ = 213320330212.

The previous prime is 213320330191. The next prime is 213320330221. The reversal of 213320330213 is 312033023312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156387029764 + 56933300449 = 395458^2 + 238607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213320330213 is a prime.

It is a super-3 number, since 3×213320330213³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213320330233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106660165106 + 106660165107.

It is an arithmetic number, because the mean of its divisors is an integer number (106660165107).

Almost surely, 2^213320330213 is an apocalyptic number.

It is an amenable number.

213320330213 is a deficient number, since it is larger than the sum of its proper divisors (1).

213320330213 is an equidigital number, since it uses as much as digits as its factorization.

213320330213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 213320330213 its reverse (312033023312), we get a palindrome (525353353525).

The spelling of 213320330213 in words is "two hundred thirteen billion, three hundred twenty million, three hundred thirty thousand, two hundred thirteen".